Annotate leak in ChromeBookmarkClient.

Annotate a leak in ChromeBookmarkClient.

Pulled out of https://codereview.chromium.org/349263004/ at cpu's request.

R=gab@chromium.org
TBR=brettw@chromium.org

BUG=391508, 141141, 141517, 142787, 140882, 165760, 163713
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=281670

[Sigurður Ásgeirsson, 2014-07-07 20:59:17]

Please take a look.

[gab, 2014-07-07 21:00:32]

lgtm

[Sigurður Ásgeirsson, 2014-07-07 21:00:47]

The CQ bit was checked by siggi@chromium.org

[commit-bot: I haz the power, 2014-07-07 21:01:15]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/siggi@chromium.org/375683002/1

[commit-bot: I haz the power, 2014-07-08 00:43:57]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_aosp on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_aosp/builds/9...)
  win_chromium_rel on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/win_chromium_rel/buil...)

[commit-bot: I haz the power, 2014-07-08 01:24:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-07-08 01:24:47]

Try jobs failed on following builders:
  android_aosp on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_aosp/builds/9...)

[Sigurður Ásgeirsson, 2014-07-08 02:02:21]

The CQ bit was checked by siggi@chromium.org

[commit-bot: I haz the power, 2014-07-08 02:03:56]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/siggi@chromium.org/375683002/1

[commit-bot: I haz the power, 2014-07-08 04:31:20]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  android_aosp on tryserver.chromium
(http://build.chromium.org/p/tryserver.chromium/builders/android_aosp/builds/9...)

[commit-bot: I haz the power, 2014-07-08 05:15:22]

Change committed as 281670